MINI cars automatically move backwards when facing an obstacle

Hello everyone, today I will guide you to do one car can automatically move backwards when facing an obstacle. For this car we will need - 1 piece of plastic to automotive body, - 1 motorbike, 1 flywheel and pulley + 1 head crab speaker wire - 4 wheels, one less wire - 1 pc switch 6 foot, 1 battery .................................................. .................... Do we see the same video and perform

• #تحصیلات_و_یادگیری
• #mini_cars_automatically_move_backwards
• #cars_automatically_move_backwards_when_facing_an_obstacle
• #make_cars_mini_toy